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WGU Scripting and Programming Foundations (D278) Exam - Topic 4 Question 3 Discussion

Posted by Lindsey on Nov 20, 2025 at 04:25 AM

It is given that integer x=41 and integer y = 16. What is the value of the expression (x % 8) - y?

Suggested Answer: B

The expression ((x % 8) - y) involves the modulo operation and subtraction. The modulo operation finds the remainder when ( x ) is divided by ( 8 ). Given ( x = 41 ), we calculate ( 41 % 8 ) which equals ( 1 ) because ( 41 ) divided by ( 8 ) equals ( 5 ) with a remainder of ( 1 ). Then, we subtract ( y ) (which is ( 16 )) from this remainder:

(41%8)16=116=15

However, there seems to be a discrepancy here as the calculation shows the answer should be (-15), but this is not an option provided in your question. Please double-check the options or the expression provided.


The concept of modulo operation is explained in various programming resources such as Python documentation and C++ reference guides.

Basic arithmetic operations and their precedence are covered in introductory programming textbooks and online coding platforms like Codecademy and freeCodeCamp.

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31 comments · newest first
RY
Ryann 6 months ago
I agree with -8. It makes sense!
AN
Anglea 6 months ago
The modulo operation is tricky! I lean towards -11.
MI
Ming 6 months ago
I feel like it’s 1.
MA
Mabel 6 months ago
I calculated it as -8.
TO
Torie 6 months ago
I got -15.
FE
Felix 6 months ago
I think the answer is -11.
ET
Ethan 7 months ago
I thought it would be -11, not -15.
ME
Merlyn 7 months ago
Totally agree, it's -15!
LI
Lisha 7 months ago
Wait, is that right?
AL
Alisha 8 months ago
So, 1 - 16 = -15.
TU
Tula 8 months ago
x % 8 is 1.
MI
Milly 8 months ago
Haha, the modulo operator is the bane of my existence. I'll just guess and hope for the best.
LI
Ligia 8 months ago
This is a piece of cake! The answer is clearly C) -8.
FR
Francine 8 months ago
I'm going with B) -11. The modulo operator always trips me up.
NA
Nathan 8 months ago
D) 1 seems too easy, it's gotta be a trick question.
DO
Domitila 9 months ago
I can't recall if I should subtract y from the modulus result or the other way around. This is tricky!
CH
Chau 9 months ago
I practiced a similar question where I had to use modulus. I think 41 % 8 is 1, so maybe the answer is -15?
FI
Fidelia 9 months ago
I'm a bit unsure about the order of operations here. Do I subtract y after finding the modulus?
FR
Francesco 9 months ago
I remember that the modulus operator gives the remainder, so I think I need to calculate 41 % 8 first.
KA
Katie 9 months ago
I'm pretty confident about this one. The answer is -15, option A.
SH
Sheldon 9 months ago
No problem, I've got a strategy for this. First find the remainder when x is divided by 8, then subtract y. Piece of cake!
VI
Vicky 10 months ago
Hmm, I'm not sure about this one. I'll have to double-check my work.
MA
Mary 10 months ago
The modulo operator is tricky, but I think the answer is C) -8.
RY
Ryann 10 months ago
Wait, I'm a bit confused. What does % mean again? I need to review my notes on modulo operations.
NE
Nell 11 months ago
Okay, I've got this. (41 % 8) is 1, and 1 - 16 is -15, so the answer is A.
GE
Gene 11 months ago
Hmm, let me think through this step-by-step. I'll need to calculate x % 8 first, then subtract y.
RO
Roslyn 5 months ago
↳ replying to Gene
So, 1 - 16 equals -15.
LI
Linwood 5 months ago
↳ replying to Gene
Now, subtract y, which is 16.
LU
Lucina 5 months ago
↳ replying to Gene
That's 41 % 8, which is 1.
TI
Timothy 10 months ago
↳ replying to Gene
The answer is A) -15!
RE
Renato 10 months ago
↳ replying to Gene
First, let's find x % 8.
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